<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>后台主页</title>
    <style>

        div{

        }
    </style>
</head>
<body>
<?php
require('../Common/nav.php')
?>
<!--内容-->

<div><h2>欢迎来到后台管理系统~</h2></div>
</body>

</html>